1. he had to clean the bedroom yesterday(改否定句,一般疑问句 )

问题描述:

1. he had to clean the bedroom yesterday(改否定句,一般疑问句 )
2.he had to (clean the bedroom yesterday)(划线(括号里的)部分提问)
3.he had to clean( the bedroom yesterday )(划线部分提问)

He didn't have to clean the bedroom yesterday.
Did he have to clean the bedroom yesterday?
What did he have to do?
What did he have to clean?